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Respiratory
Asthma
28
Pharmacology
Undergraduate 3
03/25/2014

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Term
Severe asthma
Definition
Always at least one attack that occurs at rest (usually at night)
Term
Status asthmaticus
Definition
Uremitting asthma attack
Medical emergency
Term
Early response to allergen
Definition
30 mins - 2h
D/t histamine release
Term
Late response to allergen
Definition
2-4h
D/t activity of inflammatory cells & release of inflammatory mediators
NEVER want this to happen
Term
Formoterol (Foradil)
Definition
Sympathomimetic
Beta 2 agonist LABA; inhaled
May cause chest pain & viral infections
Term
Levalbuterol (Xopenex)
Definition
Sympathomimetic
Beta 2 selective, SABA; inhaled
Term
Salmeterol (Serevent)
Definition
Sympathomimetic
LABA
For long term (NOT acute) use; MDI
Term
Theophylline (Theo-Dur)
Definition
Bronchodilators-Methylxanthines
For maintenance therapy in moderate to severe asthma.
SE: nausea, dizziness, HA, increased HR, tremor, anxiety
Monitor doses; PO ONLY; red flag drug
Term
Bronchodilators-methylzanthines MOA
Definition
Not sure how they work, just know they dilate airways
May be antagonists at bronchiolar adenosine receptors
Old drugs & related to caffiene
Term
Aminophylline
Definition
Bronchodialtor-methylxanthine
May be given IV for severe bronchoconstriction
Term
Combivent
Albuterol w/ Ipratropium (Atrovent)
Definition
Atrovent = antichollinergic; Albuterol Beta 2
Decrease cGMP mediated bronchoconstriction
Bronchospasm in COPD is main use
Not absorbed so few antichollinergic effects; inhaled
Term
Methylprednisolone-IV (Solu-Medrol)
Definition
Steriods
Used short-term when sympathomimetics alone can't control; used in status asthmaticus
Term
Prednisone-PO
Definition
Steriod
Systemic - Lots of SE!!!
Term
Beclomethasone (Beclovent)
Mometasone (Asmanex, Twisthaler)
Fluticasone (Flovent)
Budesonide (Pulmicort)
Definition
Steroids
Aerosolized, so decreased systemic SE, but increased risk of oral candidiasis (rinse & spit after using)
NOT for status asthmaticus
Term
Steroids
Definition
-one (generally)
Decrease synthesis & release of inflammatory mediators by immune cells
Systemic - lots of SE! so don't want pts on for a long time
Not rapid acting, need beta agonist on board to relieve faster
Term
Anti-inflammatory agents - cell stabilizers
Definition
Decrease release of inflammatory mediators (histamine) from mast cells, macrophages, eosinophiles, & neutrophils
Term
Cromolyn (Gastrocrom)
Definition
Cell-stabilizers
Used ONLY for prophylaxis of asthma, prevents exercise-induced bronchospasm, MDI
Term
Nedocromil (Tilade)
Definition
Cell stabilizer
Prophylaxis for mild/moderate asthma
Term
Montelukast (Singulair)
Definition
Leukotriene receptor antagonist
Approved for asthma prophylaxis in kids as young as 12 months
Term
Codeine
Definition
Antitussive
Dizziness, sedation, NV, constpation common
Term
Hydrocodone
Definition
Antitussive
More addicting
Term
Diphenhydramine
Definition
Antitussive
Drowsiness, sedation
Term
Guaifenesin (Mucinex)
Definition
Expectorant: decrease mucus viscosity
Have little benefit, but are sometimes used in combo in cough suppressants
Some patients really enjoy them
Term
Antihistamines
Definition
-ine; H1 blockers; 1st & 2nd gen.
Block histamines effect on small blood vessels, may cause CNS depression
Block sneezing, itching & redness seen w/ allergies
Dizziness & GI SE
Term
Antihistamines 1st gen
Definition
Sedation is most common SE
Diphenhydramine (Benadryl)
Hydroxyzine (Visatril)
Term
Antihistamines 2nd gen
Definition
Loratidine (Claritin)
Cetirizine (Zyrtec)
Term
Mucolytics
Definition
Liquify mucus, increasing expectoration
Main uses include Cystic Fibrosis & chronic bronchitis
Term
Acetylcysteine (Mucomyst)
Definition
Mucolytic
Inhaled, bronchoscope, catheter
Also used for acetaminophen poisoning by PO route
Smells horrible
Proven to break up mucus - reserved for severe cases
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